array.c: [DOC] correct Array#sort rdoc [ci skip]

* array.c (rb_ary_sort_bang, rb_ary_sort): [DOC] correct block
  return values, which may be a negative or positive integer, not
  ony -1 or +1.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Tue Sep 15 13:13:13 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* array.c (rb_ary_sort_bang, rb_ary_sort): [DOC] correct block
+	  return values, which may be a negative or positive integer, not
+	  ony -1 or +1.
+
 Tue Sep 15 12:49:10 2015  Jason Barnabe  <jason.barnabe@gmail.com>
 
 	* array.c (rb_ary_sort_bang, rb_ary_sort): [DOC] Correct

array.c

@@ -2446,8 +2446,8 @@ sort_2(const void *ap, const void *bp, void *dummy)
  *  or using an optional code block.
  *
  *  The block must implement a comparison between +a+ and +b+ and return
- *  +-1+ when +b+ follows +a+, +0+ when +a+ and +b+ are equivalent, or ++1+
- *  when +a+ follows +b+.
+ *  an integer less than 0 when +b+ follows +a+, +0+ when +a+ and +b+
+ *  are equivalent, or an integer greater than 0 when +a+ follows +b+.
  *
  *  See also Enumerable#sort_by.
  *
@@ -2527,8 +2527,8 @@ rb_ary_sort_bang(VALUE ary)
  *  or using an optional code block.
  *
  *  The block must implement a comparison between +a+ and +b+ and return
- *  +-1+ when +b+ follows +a+, +0+ when +a+ and +b+ are equivalent, or ++1+
- *  when +a+ follows +b+.
+ *  an integer less than 0 when +b+ follows +a+, +0+ when +a+ and +b+
+ *  are equivalent, or an integer greater than 0 when +a+ follows +b+.
  *
  *
  *  See also Enumerable#sort_by.